/*
 * Copyright (c) 2011 Imre Fazekas.
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the Brillien nor the names of its
 * terms and concepts may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.vii.streamline.services.pool;

import org.apache.commons.pool.impl.GenericObjectPool;

/**
 * Generic object pool.
 */
public class SimpleObjectPool<T> {

    /**
     * ObjectPool to help the instantiation of the managed type
     */
    protected GenericObjectPool         pool;

    public SimpleObjectPool( final Class<T> type ){
        SimpleObjectFactory factory = new SimpleObjectFactory<T>( type );

        pool = new GenericObjectPool( factory );
    }

    public void initialize( T t ){

    }

    public T getInstance() {
        T t = null;
        try {
            t = (T) pool.borrowObject();

            initialize( t );

            return t;
        } catch (Exception e) {
            try {
                pool.invalidateObject( t );
            } catch (Exception e1) {
                e1.printStackTrace(); 
            }

            e.printStackTrace( );
            //throw new StreamLineException( e.getMessage(), e );
        }

        return null;
    }

    public T returnObject( T t ) {
        try {
            pool.returnObject( t );
        } catch (Exception e) {
            e.printStackTrace();
            //throw new StreamLineException( e.getMessage(), e );
        }
        return t;
    }

    public GenericObjectPool getPool() {
        return pool;
    }

    public void setMaxActive( int maxActive ){
        pool.setMaxActive( maxActive );
    }

    public void setMaxIdle(int maxIdle){
        pool.setMaxIdle( maxIdle );    
    }

    public void setWhenExhaustedAction(byte whenExhaustedAction){
        pool.setWhenExhaustedAction( whenExhaustedAction );     
    }
    
}
